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    Gas products
    Medium - low pressure gas regulators
    Direct operated

    Trias

    Description

    Direct-operated gas pressure regulator controlled by a diaphragm and contrasting regulated spring action, Trias is suitable for use with previously filtered non-corrosive gases.

    Its use is strongly recommended in medium and low pressure natural gas distribution networks.

    According to the European Standard EN 334, it is classified as Fail Open.

    Features

    • Accuracy class AC: up to 5
    • Nominal sizes DN: 1″ 1/2, 2″
    • Lock-up pressure class SG: up to 100
    • Design pressure: up to 19.2 bar
    • Design temperature: from -20 °C to +60 °C
    • Connections: class 150 RF according to ASME B16.5 and PN 16 according to ISO 7005
    • Range of downstream pressure Wd: from 15 to 4000 mbar
    • Inlet pressure range bpu: from 0.2 to 18 bar

    Do you still have questions?

    Flyer

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    Technical Manual

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    Poster

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    Technical brochure

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    29Jul

    ISO 50001: Rosate and Desenzano del Garda plants are certified, and Arcugnano is confirmed

    A new important result for Pietro Fiorentini: we have confirmed the ISO 50001:2018 certification for the headquarters in Arcugnano (Vicenza, Italy) and we have obtained it also for the plants of Rosate (Milan, Italy) and Desenzano del Garda (Brescia, Italy). This standard specifies the requirements for an energy management system to enable companies to achieve continual improvement of energy performance. Thanks to our […]